import {InMemoryDbService} from 'angular-in-memory-web-api'
import {Hero} from './hero'
import { Injectable } from '@angular/core';

@Injectable({
  providedIn: 'root'
})
export class InMemoryDataService implements InMemoryDbService {

  constructor() { }
  createDb(){
    const heroes = [
      { id: 11, name: 'Mr. Nice' },
      { id: 12, name: 'Narco' },
      { id: 13, name: 'Bombasto' },
      { id: 14, name: 'Celeritas' },
      { id: 15, name: 'Magneta' },
      { id: 16, name: 'RubberMan' },
      { id: 17, name: 'Dynama' },
      { id: 18, name: 'Dr IQ' },
      { id: 19, name: 'Magma' },
      { id: 20, name: 'Tornado' }
    ];
    return {heroes};
  }

  genId(heroes:Hero[]):number{
    return heroes.length>0 ? Math.max(...heroes.map((hero=>hero.id)))+1:11
  }
}
